This tap is made of carbon steel and has a 0.255 inch diameter shank. It meets the standards for USCTI. This Fractional Taps series tap has a bright (uncoated) finish, and has fractional inch measurements. It has right hand direction with a 2½ inch length. Plus it has four flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNC
Tap MaterialCarbon Steel
Thread Length1 in
75% Thread Drill Size#7
Class of Fit2B
Number of Flutes4
55% Thread Drill Size#3
Extended NeckYes
SeriesFractional Taps
Shank Type - MachiningStraight
StandardsUSCTI
Tap StyleStraight Flute
Threads per Inch20 TPI
Thread Size1/4"-20
Tap ChamferPlug
Tap FinishBright (Uncoated)
Overall Length2 1/2 in
Thread LimitH2
Thread DirectionRight Hand
Tap Shank StandardUSCTI
65% Thread Drill Size#5
Measurement SystemFractional Inch
Shank Dia.0.255 in
Spiral DirectionNeutral
Tap GroupingTap
Thread Limit / Class of FitH2 / 2B
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)